vgl. Paul Krugmans Standpunkt auf: Secular Stagnation, Coalmines, Bubbles, and Larry Summers, The New York Times, 16. November 2013, abgerufen am 28. November 2013: „[…] a situation in which the 'natural' rate of interest – the rate at which desired savings and desired investment would be equal at full employment – is negative. […] when looking forward you have to regard the liquidity trap not as an exceptional state of affairs but as the new normal.“ Vgl. ebenfalls: Larry Summers at IMF Economic Forum, Nov. 8, YouTube, veröffentlicht am 8. November 2013, abgerufen am 28. November 2013: Larry Summers sagt hier: „imagine a situation where natural and equilibrium interest rate have fallen significantly below zero.“
vgl. Paul Krugmans Standpunkt auf: Secular Stagnation, Coalmines, Bubbles, and Larry Summers, The New York Times, 16. November 2013, abgerufen am 28. November 2013: „[…] a situation in which the 'natural' rate of interest – the rate at which desired savings and desired investment would be equal at full employment – is negative. […] when looking forward you have to regard the liquidity trap not as an exceptional state of affairs but as the new normal.“ Vgl. ebenfalls: Larry Summers at IMF Economic Forum, Nov. 8, YouTube, veröffentlicht am 8. November 2013, abgerufen am 28. November 2013: Larry Summers sagt hier: „imagine a situation where natural and equilibrium interest rate have fallen significantly below zero.“